UT3 or Unreal Tournament 3 is Free to play on steam all weekend long, starting today. Play the new Titan update. It's Massive

Just logon to steam or if you don't have it you can download it at steampowered.com

UT3 Titan pack was also released today and it is a free update with many gameplay changes to make UT3 more like, UT2k4 including the interface, new maps, mutators, skins and more. Go check it out. If ya like it, I think it's going to be around $12 this weekend for the full game.